1999
- Started-up PVC resin plant in Suzhou, China in joint venture with Norsk Hydro
1998
- Started-up new linear polyethylene plant in Lake Charles, Louisiana
1997
- Acquired Chlor-Alkali & Olefins and Ethylene plants in Calvert City, Kentucky
- Started-up new Ethylene plant in Lake Charles, Louisiana
1993
- Started-up additional low-density polyethylene (LDPE) line in Lake Charles, Louisiana
- Acquired PVC pipe plant in Wichita Falls, Texas
1992
- Started 350 million pound Styrene Monomer plant in Lake Charles, Lousiana
- Expanded to China with Suzhou Huasu Plastics in Suzhou, China
1991
- Started 1.0 billion pound Ethylene plant in Lake Charles, Louisiana
- Acquired PVC plant in Calvert City, Kentucky
1990
- Acquired 1.0 billion pound Vinyl Chloride Monomer (VCM) plant in Calvert City, Kentucky
